<script setup lang="ts">
import { ref, watch } from 'vue'
import { ElForm, ElMessage } from 'element-plus'
import { useRouter, useRoute } from 'vue-router'
import request from '@/utils/request'


import { setToken } from "@/utils/auth";
import Cookies from 'js-cookie'

const router = useRouter()
const route = useRoute()

const codeUrl = ref('')
const loginForm = ref({
  username: 'admin',
  password: '123456',
  rememberMe: false,
  code: '',
  cacheKey: ''
})

const loginRules = {
  username: [{ required: true, trigger: 'blur', message: '请输入您的账号' }],
  password: [{ required: true, trigger: 'blur', message: '请输入您的密码' }],
  code: [{ required: true, trigger: 'change', message: '请输入验证码' }]
}
const loading = ref(false)
const captchaEnabled = ref(true)
const register = ref(false)
const redirect = ref()
const loginFormRef = ref<typeof ElForm | undefined>()

watch(
  route,
  (route) => {
    redirect.value = route.query && route.query.redirect
  },
  {
    immediate: true
  }
)

// methods
function getCode() {
  request(getCodeImg(loginForm.value.cacheKey)).then((res) => {
    codeUrl.value = res.data.captcha
    loginForm.value.cacheKey = res.data.cacheKey
  })
}
function getCookie() {
  const username = Cookies.get('username')
  const rememberMe = Cookies.get('rememberMe')
  loginForm.value.username = username === undefined ? loginForm.value.username : username
  loginForm.value.rememberMe = rememberMe === undefined ? false : Boolean(rememberMe)
}

function handleLogin() {
    loginFormRef.value?.validate((valid: boolean) => {
      if (valid) {
        loading.value = true
        if (loginForm.value.rememberMe) {
          Cookies.set('username', loginForm.value.username, { expires: 30 })
          Cookies.set('rememberMe', loginForm.value.rememberMe, {
            expires: 30
          })
        } else {
          Cookies.remove('username')
          Cookies.remove('rememberMe')
        }

        const loginParams = {
          username: loginForm.value.username,
          password: loginForm.value.password,
          code: loginForm.value.code,
          cacheKey: loginForm.value.cacheKey,
        }
        // eslint-disable-next-line @typescript-eslint/no-explicit-any
        request(login(loginParams)).then((res: any) => {
          setToken(res.access_token);
          router.push({ path: '/welcome' }).catch(() => {})
        }).catch((error) => {
            const errMsg = error.msg || error.error_description
            if (errMsg) {
              ElMessage({ message: errMsg, type: 'error', duration: 3 * 1000 })
            }
            loading.value = false
            if (captchaEnabled.value) {
              getCode()
            }
          });
      }
    })
}

// on created
getCode()
getCookie()

</script>



<!-- 定义api -->
<script lang="ts">
import userApis from "@/apis/auth/user";
import { getCodeImg } from '@/apis/user'
const { login } = userApis
export default {
  name: 'LoginPage',
  apis: {
    login,
    getCodeImg
  },
};
</script>

<template>
  <div class="login">
    <el-form ref="loginFormRef" :model="loginForm" :rules="loginRules" class="login-form">
      <h3 class="title">依米开发平台</h3>
      <el-form-item prop="username">
        <el-input v-model="loginForm.username" type="text" auto-complete="off" placeholder="账号">
          <template v-slot:prefix>
            <svg-icon icon-class="user" class="el-input__icon input-icon" />
          </template>
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="loginForm.password"
          type="password"
          auto-complete="off"
          placeholder="密码"
          @keyup.enter="handleLogin"
        >
          <template v-slot:prefix>
            <svg-icon icon-class="password" class="el-input__icon input-icon" />
          </template>
        </el-input>
      </el-form-item>
      <el-form-item v-if="captchaEnabled" prop="code">
        <el-input
          v-model="loginForm.code"
          auto-complete="off"
          placeholder="验证码"
          style="width: 63%"
          @keyup.enter="handleLogin"
        >
          <template v-slot:prefix>
            <svg-icon icon-class="validCode" class="el-input__icon input-icon" />
          </template>
        </el-input>
        <div class="login-code">
          <!-- <div class="login-code-img" @click="getCode" v-html="captchaSvg"></div> -->
          <img :src="codeUrl" class="login-code-img" @click="getCode" />
        </div>
      </el-form-item>
      <el-checkbox v-model="loginForm.rememberMe" style="margin: 0px 0px 25px 0px"
        >记住密码</el-checkbox
      >
      <el-form-item style="width: 100%">
        <el-button
          :loading="loading"
          size="default"
          type="primary"
          style="width: 100%"
          @click.prevent="handleLogin"
        >
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
        <div v-if="register" style="float: right">
          <router-link class="link-type" :to="'/register'">立即注册</router-link>
        </div>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © 2023 uublue.com All Rights Reserved.</span>
    </div>
  </div>
</template>

<style rel="stylesheet/scss" lang="scss">
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url('@/assets/img/background.jpg');
  background-size: cover;
  background-repeat: no-repeat;
}

.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 25px 25px 5px 25px;

  .el-input {
    height: 38px;

    input {
      height: 38px;
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}

.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}

.login-code {
  width: 33%;
  height: 38px;
  float: right;

  img {
    cursor: pointer;
    vertical-align: middle;
  }
}

.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
  background: rgba(120, 155, 0, 0.5);
}

.login-code-img {
  height: 38px;
}
</style>
